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2 questions · timed · auto-graded

Question 11 Mark

Find the equation of the circle with centre (-3, 2) and radius 4

Answer

Here centre of circle is (-3,2) and radius r = 4
h = –3, k = 2 and r = 4.0
herefore, the equation of the required circle is (x + 3)² + (y - 2)² = 16

Question 21 Mark

Find an equation of the circle with centre at (0,0) and radius r.

Answer

Here (h, k) = (0,0) Therefore, the equation of the circle is (x - 0)² + (y - 0)² = r² $\Rightarrow$ x² + y² = r²

1 Marks Question - MATHS STD 11 Science Questions - Vidyadip

MATHS 1 Marks Question